/* ========================================
   交互式组件样式
   ======================================== */

/* PyScript 加载器 */
.pyscript-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loader-content {
    text-align: center;
    color: #fff;
}

.loader-content .spinner {
    display: inline-block;
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ========================================
   代码运行组件
   ======================================== */
.code-runner {
    margin: 20px 0;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background: #f8f9fa;
    border-bottom: 1px solid #e0e0e0;
}

.code-label {
    font-size: 0.85rem;
    color: #666;
    font-weight: 500;
}

.code-actions {
    display: flex;
    gap: 8px;
}

.code-actions button {
    padding: 6px 14px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.btn-run {
    background: #28a745;
    color: #fff;
}

.btn-run:hover {
    background: #218838;
}

.btn-reset {
    background: #6c757d;
    color: #fff;
}

.btn-reset:hover {
    background: #5a6268;
}

.code-editor {
    position: relative;
}

.code-textarea {
    width: 100%;
    height: 100%;
    padding: 15px;
    border: none;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    resize: vertical;
    background: #fafafa;
    tab-size: 4;
}

.code-textarea:focus {
    outline: none;
    background: #fff;
}

.code-output {
    border-top: 1px solid #e0e0e0;
    background: #f8f9fa;
}

.output-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 15px;
    background: #e9ecef;
    font-size: 0.8rem;
    color: #666;
}

.btn-clear {
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
    font-size: 0.8rem;
}

.btn-clear:hover {
    color: #333;
}

.output-content {
    padding: 15px;
    margin: 0;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.85rem;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 400px;
    overflow-y: auto;
}

.output-content.error {
    color: #dc3545;
    background: #f8d7da;
}

.pyscript-loading {
    padding: 20px;
    text-align: center;
    color: #666;
}

.pyscript-loading .spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-top-color: #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}

/* ========================================
   参数滑块组件
   ======================================== */
.param-slider {
    margin: 15px 0;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
}

.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.slider-label {
    font-weight: 500;
    color: #333;
}

.slider-value {
    font-family: 'Consolas', monospace;
    font-size: 0.9rem;
    color: #3498db;
    font-weight: bold;
}

.slider-control {
    display: flex;
    align-items: center;
    gap: 10px;
}

.slider-min,
.slider-max {
    font-size: 0.8rem;
    color: #666;
    min-width: 30px;
    text-align: center;
}

.slider-input {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    background: #ddd;
    border-radius: 3px;
    outline: none;
}

.slider-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: #3498db;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s;
}

.slider-input::-webkit-slider-thumb:hover {
    background: #2980b9;
    transform: scale(1.1);
}

.slider-input::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: #3498db;
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.slider-description {
    margin-top: 8px;
    font-size: 0.85rem;
    color: #666;
}

/* 滑块组 */
.slider-group {
    margin: 20px 0;
    padding: 20px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    background: #fff;
}

.group-header h4 {
    margin: 0 0 15px 0;
    color: #333;
}

.group-actions {
    margin-top: 15px;
    text-align: right;
}

.btn-reset-all {
    padding: 8px 16px;
    border: 1px solid #ddd;
    background: #fff;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
}

.btn-reset-all:hover {
    background: #f5f5f5;
}

/* ========================================
   图表渲染组件
   ======================================== */
.chart-container {
    margin: 20px 0;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    background: #f8f9fa;
    border-bottom: 1px solid #e0e0e0;
}

.chart-title {
    margin: 0;
    font-size: 1rem;
    color: #333;
}

.chart-actions {
    display: flex;
    gap: 8px;
}

.chart-actions button {
    background: none;
    border: none;
    font-size: 1.1rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: background 0.2s;
}

.chart-actions button:hover {
    background: rgba(0, 0, 0, 0.05);
}

.chart-plot {
    min-height: 300px;
}

/* ========================================
   数据表格组件
   ======================================== */
.data-table-container {
    margin: 20px 0;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
}

.table-filters {
    padding: 12px 15px;
    background: #f8f9fa;
    border-bottom: 1px solid #e0e0e0;
}

.filter-input {
    width: 100%;
    max-width: 300px;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.9rem;
}

.filter-input:focus {
    outline: none;
    border-color: #3498db;
}

.table-wrapper {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.data-table th,
.data-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

.data-table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #333;
    white-space: nowrap;
}

.data-table th.sortable {
    cursor: pointer;
    user-select: none;
}

.data-table th.sortable:hover {
    background: #e9ecef;
}

.sort-icon {
    margin-left: 5px;
    font-size: 0.8rem;
    color: #999;
}

.data-table tbody tr:hover {
    background: #f8f9fa;
}

.data-table td {
    color: #555;
}

.error-cell {
    text-align: center;
    color: #dc3545;
    padding: 30px;
}

.table-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    background: #f8f9fa;
    border-top: 1px solid #e0e0e0;
    font-size: 0.85rem;
    color: #666;
}

.table-pagination {
    display: flex;
    align-items: center;
    gap: 15px;
}

.table-pagination button {
    padding: 6px 12px;
    border: 1px solid #ddd;
    background: #fff;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
}

.table-pagination button:hover:not(:disabled) {
    background: #f5f5f5;
}

.table-pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ========================================
   文章中的交互元素
   ======================================== */
#article-content code-runner,
#article-content param-slider,
#article-content chart-renderer,
#article-content data-table {
    margin: 20px 0;
}

/* 输出中的图表 */
.output-content img {
    max-width: 100%;
    height: auto;
}

/* 代码高亮（简单版） */
.code-textarea {
    color: #333;
}

/* 响应式 */
@media (max-width: 768px) {
    .code-actions {
        flex-direction: column;
        gap: 5px;
    }
    
    .slider-control {
        flex-wrap: wrap;
    }
    
    .chart-header,
    .table-footer {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
}